Marine switch – reliable control for marine systems
A marine switch is a critical control device used in ships, boats, and offshore applications to manage electrical circuits and engine systems. Built for durability and safety, the right marine switch ensures secure operation under harsh environmental conditions. Whether for ignition, lighting, pumps or navigation systems – marine switches are essential components in every vessel’s electric components setup.
Choose from following:
RELAY - 81259026177 suitable for MAN D engines
Reliable Relay Suitable for MAN D EnginesThe relay with the reference number 81259026177 is an essential component specifically designed for the requirements of electronic systems. This product ensures the functional reliability of your engines and meets the highest quality standards. With a weight of only 0.05 kg, this OEM replacement part is lightweight and robust, ideal for demanding environments in marine and stationary applications.Efficient Solutions with OEM Replacement PartsThe relay corresponds to the reference number 81259026177 and is designed as an OEM replacement part, meaning it is manufactured precisely to the specifications of the manufacturers. This quality ensures that you can rely on the performance of your compatible MAN D engines. With this relay, you will optimize the efficiency of your engines and significantly enhance their overall performance.
RELAY - 81259026137 suitable for MAN D engines
Reliable Relay: Comparison Number 81259026137Discover our precise Relay, which carries the comparison number 81259026137. This product is an indispensable OEM spare part, compatible with MAN D engines. It belongs to the category "Electric components and switches" and weighs 2.3 kg, making it ideal for applications in marine and stationary uses.High Quality for Your EnginesOur Relay is an OEM spare part that meets the same high standards as industrial parts. It is excellently suited for all applications that require efficiency and reliability from engines. Rely on our many years of experience in providing OEM spare parts, especially suitable for diesel and gas engines.
RELAY BOX - 81259026130 suitable for MAN D engines
Relay Box – Practical Product for Efficient Engine ControlDiscover the Relay Box with the comparison number 81259026130, an essential product from the category Electric components and switches. This Relay Box is specifically designed to function optimally with suitable for MAN D engines and ensures reliable performance in demanding operating environments.Excellent OEM Replacement Parts for the Highest DemandsWeighing 3.45 kg, this OEM replacement part is both robust and durable. The Relay Box, suitable for MAN D, plays a crucial role in the electrical control of engines and contributes to the efficiency of your diesel or gas engines. Rely on the quality that only OEM replacement parts can provide.
RELAY - A333014102 suitable for Bosch engines
Robust Relay Suitable for MAN D EnginesDiscover our reliable Relay with the comparison number A333014102, specifically designed to provide a precise solution for your engines. This product is an indispensable OEM spare part that ensures maximum efficiency in application and operation, proving to be an ideal partner for MAN D engines.Suitable for MAN D EnginesOur Relay is compatible with MAN D and optimizes the performance of your engines. Weighing only 0.28 kg, this OEM spare part offers the perfect fit for existing systems and ensures consistent functionality. Quality that meets the high standards of the manufacturer is our hallmark.
RELAY - 81259026072 suitable for MAN D engines
Efficient Relay: Your Reliable Replacement PartDiscover our relay with the reference number 81259026072. This OEM replacement part belongs to the category of electric components and switches and is optimally suited for your engines. It is specifically designed for MAN D engines, allowing you to benefit from long-term and reliable use.
RELAY - 0333006017 suitable for Bosch engines
Robust Relay for Various EnginesDiscover our Relay, designed to be compatible with MAN D engines. With the comparison number 0333006017, you receive a top-quality OEM replacement part that meets the highest standards of quality and reliability. This product belongs to the category of electric components and switches and plays a crucial role in the precise control of electrical systems.Lightweight with Great ImpactWeighing only 0.28 kg, the OEM replacement part is particularly handy and optimal for use in various engines. The Relay meets all requirements to optimize the performance of your engines in marine and stationary applications, as well as in locomotives. Rely on the quality of our products that are compatible with MAN D engines to achieve maximum efficiency.
RELAY - 81259026020 suitable for MAN D engines
Reliable Relay Compatible with MAN D EnginesDiscover our reliable relay with the reference number 81259026020, specially designed to be compatible with MAN D engines. This product ensures stable performance and is an essential component for the optimal functioning of your diesel and gas engines. Weighing 0.75 kg, it is both robust and easy to install.
RELAY - 0333009002 suitable for Bosch engines
Reliable Relay for Engine TechnologiesDiscover our Relay, comparable to the comparison number 0333009002, specifically developed for diesel and gas-powered applications. This OEM replacement part is a valuable addition to your technical requirements and fits perfectly into systems that prioritize quality and durability. Weighing 0.75 kg, the Relay is ideal for use in various applications.Features of the Relay and Engine CompatibilityThe reliable Relay is suitable for MAN D engines and provides top performance in demanding environments. Thanks to its design as an OEM replacement part, it integrates seamlessly into your existing engines. Rely on the precise execution that only the best manufacturers can offer.
RELAY - 81259020571 suitable for MAN D engines
First-Class Relay for Comprehensive Engine SolutionsThe Relay (comparison number: 81259020571) is a top-quality OEM spare part in the category of electric components and switches. This product is specifically designed to fit engines of the MAN D series and offers reliable functionality to optimize engine performance.Suitable for MAN D: Reliability and EfficiencyOur OEM spare part is suitable for MAN D engines and impresses with its high durability. The development of this part ensures that it meets the demands of marine and stationary applications. Each part undergoes our strict internal controls to ensure the highest quality.
TIME-DELAY-RELAY - 81259020568 suitable for MAN D engines
Time-delay-relay with comparison number 81259020568Discover our time-delay-relay with the comparison number 81259020568, a top-quality OEM spare part specifically designed to harmonize optimally with engines suitable for MAN D. This product ensures perfect fit and reliability for your applications in the marine and stationary sectors.Reliability of OEM spare partsOur time-delay-relay is an essential electronic component in the category of electric components and switches. As an OEM spare part, it impresses with robust design and durability, which are indispensable for engines suitable for MAN D.
RELAY - 81259020542 suitable for MAN D engines
Efficient Relay for Your NeedsDiscover the OEM replacement part Relay, suitable for MAN D engines. The comparison number 81259020542 helps you find the right product. This electric components and switches product is characterized by excellent workmanship and high reliability.Quality in Original Equipment Manufacturer StrengthOur replacement parts, including the Relay, offer OEM replacement parts in original equipment manufacturer quality at affordable prices. With the comparison number 81259020542, you can be confident that you are getting the optimal solution for your engines.
RELAY - 81259020541 suitable for MAN D engines
Reliable Relay with Comparison Number 81259020541 The relay with the comparison number 81259020541 impresses with its precision and durability. As an OEM replacement part, it provides the performance necessary to optimally support your engines.
RELAY - 81259020538 suitable for MAN D engines
Reliable Relay for MAN D EnginesDiscover our top-quality relay, compatible with MAN D engines, under the comparison number 81259020538. This OEM spare part offers the highest quality and functionality and is the ideal choice for applications in marine and stationary technology.
RELAY - 81259020531 suitable for MAN D engines
Essential Relay for EnginesDiscover the relay with the comparison number 81259020531, an indispensable product from our category "Electric components and switches". This OEM spare part is suitable for MAN D engines and offers you optimal functionality as well as a long lifespan.Your Reliable Source for OEM Spare PartsMOPA Motorparts brings you over 25 years of experience in providing OEM spare parts for diesel and gas engines. As a second-generation family business, we stand for reliability and quality in the industry, ensuring that your engines operate efficiently.
RELAY - 81259020527 suitable for MAN D engines
Relay with Comparison Number 81259020527Discover the relay with the comparison number 81259020527, an OEM replacement part that has been specifically designed. This product belongs to the category of electric components and switches and is perfectly suited for MAN D engines.
RELAY - 81259020525 suitable for MAN D engines
Relay with Comparison Number 81259020525Discover our relay with the comparison number 81259020525, specifically designed for MAN D engines. This OEM replacement part ensures the reliable operation of your engines and optimizes their performance.Quality through OEM Replacement PartsAs part of our article group of electric components and switches, we offer you this significant product. The comparison number 81259020525 signals the highest precision and durability that you can expect from OEM replacement parts.
RELAY - 81259020524 suitable for MAN D engines
Efficient Relay for Your EnginesDiscover our Relay, which is perfectly suited for MAN D engines. With the comparison number 81259020524, you can ensure that your selection is precisely tailored to the requirements. This product is an essential spare part that optimizes the performance of your engines.Precise FunctionalityThe Relay is a spare part compatible with MAN D engines. It offers reliable functionality and efficiency in your application area. Use our comparison number 81259020524 to find higher-quality solutions.
RELAY - 81259020520 suitable for MAN D engines
Relay suitable for MAN D enginesThe relay with the comparison number 81259020520 is a top-quality OEM spare part designed for use with MAN D engines. By using carefully selected materials, this product ensures outstanding performance and reliability in various applications. Rely on the quality of our OEM spare parts, specifically developed to optimally support your engines.
RELAY - 81259020515 suitable for MAN D engines
Reliable Relay with Comparison Number 81259020515Discover the reliable relay with the comparison number 81259020515, specifically designed to meet the requirements of MAN D engines. This OEM replacement part offers the high quality and performance you can expect. Rely on a product that defines standards in engine maintenance.Functions of the Relay Suitable for MAN D EnginesThe relay with the comparison number 81259020515 belongs to the category of electric components and switches. It is designed to be compatible with MAN D engines and meets all industrial requirements. Trust in the reliability of this OEM replacement part to enhance the efficiency of your engines.
RELAY - 81259020514 suitable for MAN D engines
Reliable Relay Suitable for MAN DDiscover the reliable Relay with the comparison number 81259020514. This product is suitable for MAN D engines and offers you excellent performance. Our OEM spare parts are known to be durable and efficient.
RELAY - 81259020510 suitable for MAN D engines
Effective Relay for Your ApplicationsDiscover our reliable relay (comparison number: 81259020510), specifically designed for diesel and gas engines. This product belongs to the category of electric components and switches and is suitable for MAN D engines. Weighing only 0.02 kg, this OEM replacement part is ideal for use in demanding environments.Quality and Reliability in OEM Replacement PartsThe relay with the comparison number 81259020510 meets the highest standards of quality and functionality. As an OEM replacement part, it offers the same reliability as the manufacturer's parts, ensuring you can keep your engines in excellent condition. Our replacement parts ensure long-term operational readiness for engines, making maintenance and operation easier.
RELAY - 81259020509 suitable for MAN D engines
Reliable Relay with Comparison Number 81259020509Discover our Relay with the comparison number 81259020509, suitable for MAN D engines. This product is an essential electronic component in the category of electric components and switches. Weighing only 0.042 kg, it features a compact design that ensures reliable performance in demanding engine applications.
TIME-DELAY-RELAY - 81259020500 suitable for MAN D engines
Time-delay-relay for MAN D EnginesDiscover our time-delay-relay with the comparison number 81259020500, a top-quality OEM replacement part that is perfect for the maintenance of your engines. This product offers you reliable performance and is ideal for operating your engines more efficiently. Thanks to our electric components and switches, you are well equipped.
RELAY - 81259020494 suitable for MAN D engines
Efficient Relay for Your RequirementsDiscover our relay, suitable for MAN D engines. With the comparison number 81259020494, this product belongs to the category of electric components and switches. By using the best materials and precise manufacturing, this OEM replacement part delivers the necessary reliability for your application.
Function and advantages
Marine switches enable or disable electrical circuits manually or automatically. They are used in main power lines, control panels and engine controls. High-quality motor switches and engine switches offer:
- Corrosion resistance and waterproof sealing
- High load capacity and thermal protection
- Reliable switching under vibration and motion
Integrated power components such as fuses, relays or terminals often work in combination with marine switches to ensure complete circuit safety.
Applications and product types
Marine switches are found in ignition systems, battery selectors, bilge pumps, cabin controls and communication equipment. Depending on use, they may be toggle, rocker, push-button or rotary switches. All are part of modern marine electronic parts systems, designed to meet IP ratings, load class, and maritime certification standards.
As part of an electronics parts search engine or technical catalog, marine switches are categorized by voltage range, function (e.g. momentary vs. maintained), and terminal type – ensuring compatibility with existing electric components.
Sourcing and compatibility
We offer a wide selection of marine switches and electrical components suitable for MTU, Volvo Penta, MAN, Deutz and other marine engine systems. As trusted electrical components suppliers, we provide OEM-quality and fast availability – ideal for service centers, shipyards and refit projects.
Looking for electronic parts suppliers near me? Our distribution network ensures quick delivery and expert support wherever your vessel operates.
FAQ
What is a marine switch?
A marine switch is an electrical control device used in boats and ships to turn circuits on or off. It is designed to handle moisture, vibration and high current loads in harsh marine environments.
Where are marine switches used?
Marine switches are used in electrical panels, engines, lighting systems, pumps, battery management systems, and navigation electronics. They are essential for both manual and automatic control functions on board.